This patch adds the device tree bindings for the Freescale MXS on-chip regulators.
Signed-off-by: Stefan Wahren <[email protected]> --- .../bindings/regulator/mxs-regulator.txt | 70 ++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/mxs-regulator.txt diff --git a/Documentation/devicetree/bindings/regulator/mxs-regulator.txt b/Documentation/devicetree/bindings/regulator/mxs-regulator.txt new file mode 100644 index 0000000..88452d2 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mxs-regulator.txt @@ -0,0 +1,70 @@ +Regulators for Freescale i.MX23/i.MX28 + +Required properties: +For imx23 regulators +- compatible: + - "fsl,imx23-dcdc" for DC-DC converter + - "fsl,imx23-vddd" for VDDD linear regulator + - "fsl,imx23-vdda" for VDDA linear regulator + - "fsl,imx23-vddio" for VDDIO linear regulator +For imx28 regulators +- compatible: + - "fsl,imx28-dcdc" for DC-DC converter + - "fsl,imx28-vddd" for VDDD linear regulator + - "fsl,imx28-vdda" for VDDA linear regulator + - "fsl,imx28-vddio" for VDDIO linear regulator +- reg: Address and length of the register set for the device. It contains + the information of registers in the same order as described by reg-names +- reg-names: Should contain the reg names + - "base-address" - contains base address of regulator + - "status-address" - contains status address of regulator + - "v5ctrl-address" - contains 5V control address of DC-DC converter + (required only for linear regulators) + - "misc-address" - contains misc control address of DC-DC converter + (required only for DC-DC converter) + +Optional properties: +- switching-frequency: switching frequency of the DC-DC converter in Hz. + Possible values are <19200000>, <22000000> or <24000000> (default). + +Any regulator property defined as part of the core regulator +binding, defined in regulator.txt, can also be used. + +Example for i.MX28: + + power: power@80044000 { + compatible = "fsl,imx28-power"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x80044000 0x2000>; + interrupts = <6>; + ranges; + + dcdc: regulator@80044010 { + reg = <0x80044010 0x10>, + <0x80044090 0x10>, + <0x800440c0 0x10>; + reg-names = "base-address", + "misc-address", + "status-address"; + compatible = "fsl,imx28-dcdc"; + regulator-name = "dcdc"; + regulator-boot-on; + regulator-always-on; + switching-frequency = <24000000>; + }; + + reg_vddd: regulator@80044040 { + reg = <0x80044040 0x10>, + <0x80044010 0x10>, + <0x800440c0 0x10>; + reg-names = "base-address", + "v5ctrl-address", + "status-address"; + compatible = "fsl,imx28-vddd"; + regulator-name = "vddd"; + regulator-min-microvolt = <1350000>; + regulator-max-microvolt = <1550000>; + }; + }; + -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
